<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
  <script src="./react.js"></script>
  <script src="./react-dom.js"></script>
</head>

<body>
  <div id="container"></div>
  <script>
    ReactDOM.render(
      React.DOM.h1({
        id: 'my-div'
      },
      'hello,world'),
      document.getElementById("container")
    )
  </script>

</body>

</html>